package com.doit.day03;

import java.util.HashMap;

public class Test {
    public static void main(String[] args) {

        //有一个数组   arr.map(_*10)
        int [] arr = {1,2,3,4,5};
        int [] res = new int[arr.length];

        for (int i = 0; i < arr.length; i++) {
            res[i] = arr[i] * 10;
        }





        for (int re : res) {
            System.out.println(re);
        }




    }
}
